Linksys USB 3.0 Ethernet Adapter, Works with MacBook Air, Chromebook, or Ultrabook (USB3GIG) Supports USB 3.0 RJ-45 Gigabit port LED indicator for Link/Activity Connect the USB Ethernet Adapter to a router and the USB 3.0 port to your device to instantly experience ultra-fast Gigabit Ethernet speeds Compatible with most computers, consoles, DVRs and set top boxes The USB3GIG works with MacBook Air, Chromebook, or Ultrabook. It requires Windows XP, Windows Vista, Windows 7, Windows 8, Windows 8.1, Chrome OS, or Mac OS X 10.8 or 10.9.